Datasheet > 74FCT157CTSO8

74FCT157CTSO8

更新时间： 2023-05-15 00:00:00

品牌	Logo	应用领域
艾迪悌 - IDT		光电二极管
页数	文件大小	规格书
6页	73K
描述
Multiplexer, 4-Func, 2 Line Input, CMOS, PDSO16

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74FCT157CTSO8 数据手册

IDT74FCT157AT/CT/DT

FASTCMOSQUAD2-INPUTMULTIPLEXER

INDUSTRIALTEMPERATURERANGE

POWERSUPPLYCHARACTERISTICS

Symbol

Parameter

Test Conditions⁽¹⁾

Min.

Typ.⁽²⁾

Max.

Unit

ΔICC

Quiescent Power Supply Current

TTL Inputs HIGH

VCC = Max.

VIN = 3.4V

—

0.5

(3)

ICCD

Dynamic Power Supply

Current⁽⁴⁾

VCC = Max.

Outputs Open

E = GND

VIN = VCC

VIN = GND

—

0.15

0.25

mA/

MHz

One Input Toggling

50% Duty Cycle

Total Power Supply Current⁽⁶⁾

VCC = Max.

Outputs Open

fo = 10MHz

VIN = VCC

VIN = GND

—

1.5

1.8

1.5

2.5

3.5

4.5

50% Duty Cycle

E = GND

One Bit Toggling

VIN = 3.4V

VIN = GND

(5)

3.5

VCC = Max.

Outputs Open

fo = 2.5MHz

VIN = VCC

VIN = GND

(5)

7.5

50% Duty Cycle

E = GND

Four Bits Toggling

VIN = 3.4V

VIN = GND

NOTES:

1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type.

2. Typical values are at VCC = 5.0V, +25°C ambient.

3. Per TTL driven input (VIN = 3.4V). All other inputs at VCC or GND.

4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.

5. Values for these conditions are examples of ΔICC formula. These limits are guaranteed but not tested.

6. IC = IQUIESCENT + IINPUTS + IDYNAMIC

IC = ICC + ΔICC DHNT + ICCD (fONO)

ICC = Quiescent Current

ΔICC = Power Supply Current for a TTL High Input (VIN = 3.4V)

DH = Duty Cycle for TTL Inputs High

NT = Number of TTL Inputs at DH

ICCD = Dynamic Current caused by an Input Transition Pair (HLH or LHL)

fO = Output Frequency

NO = Number of Outputs at fO

All currents are in milliamps and all frequencies are in megahertz.

SWITCHINGCHARACTERISTICSOVEROPERATINGRANGE

IDT74FCT151AT IDT74FCT151CT IDT74FCT151DT

Symbol

tPLH

Parameter

Condition⁽¹⁾

CL = 50pF

RL = 500Ω

Min.⁽²⁾

Max.

Min.⁽²⁾

Max.

Min.⁽²⁾Max.

Unit

PropagationDelay

Ix to Zx

1.5

4.3

1.5

3.9

4.4

4.6

tPHL

tPLH

PropagationDelay

E to Zx

PropagationDelay

S to Zx

1.5

4.8

5.2

tPHL

tPLH

tPHL

NOTES:

1. See test circuit and waveforms.

2. Minimum limits are guaranteed but not tested on Propagation Delays.

1 2 345 6

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